diff --git a/Dockerfile b/Dockerfile
index 8c37ce6..c32147f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,16 +15,11 @@ RUN apt-get update && apt-get install -y \
     libswresample-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Clone whisper.cpp (use specific known-working commit)
-RUN git clone https://github.com/ggerganov/whisper.cpp.git /whisper.cpp
-WORKDIR /whisper.cpp
-# Checkout a stable commit if needed
-# RUN git checkout 5a8b1b4
+# Clone whisper.cpp
+RUN git clone https://github.com/ggerganov/whisper.cpp.git /whisper_src
+WORKDIR /whisper_src
 RUN make
 
-# Verify main executable was built
-# RUN ls -lh main && file main
-
 FROM ubuntu:22.04 AS runtime
 
 # Install runtime dependencies
@@ -32,32 +27,32 @@ RUN apt-get update && apt-get install -y \
     python3 \
     python3-pip \
     ffmpeg \
-    libavcodec-dev \
-    libavformat-dev \
-    libavutil-dev \
-    libswresample-dev \
+    libavcodec58 \
+    libavformat58 \
+    libavutil56 \
+    libswresample3 \
     && rm -rf /var/lib/apt/lists/*
 
-# Create directory structure first
-RUN mkdir -p /whisper.cpp
+# Create non-root user and directory structure
+RUN useradd -m whisperuser && \
+    mkdir -p /app/whisper.cpp && \
+    chown whisperuser:whisperuser /app
 
-# Copy the entire whisper.cpp directory (includes main executable and required files)
-COPY --from=builder /whisper.cpp /whisper.cpp
+# Copy only necessary files from builder
+COPY --from=builder --chown=whisperuser:whisperuser /whisper_src/main /app/whisper.cpp/main
+COPY --from=builder --chown=whisperuser:whisperuser /whisper_src/libwhisper.a /app/whisper.cpp/
+COPY --from=builder --chown=whisperuser:whisperuser /whisper_src/include /app/whisper.cpp/include
 
-# Copy your local model
-COPY models/ggml-tiny.en.bin /whisper.cpp/models/ggml-tiny.en.bin
-
-WORKDIR /whisper.cpp
+# Copy model and application files
+COPY --chown=whisperuser:whisperuser models/ggml-tiny.en.bin /app/whisper.cpp/models/
+COPY --chown=whisperuser:whisperuser app.py /app/
 
 # Install Python dependencies
 RUN pip3 install flask flask-cors
 
-# Copy API server script
-COPY app.py .
-
-# Verify files exist
-#RUN ls -lh models/ggml-tiny.en.bin
+WORKDIR /app
+USER whisperuser
 
 EXPOSE 4002
 
-CMD ["python3", "app.py"]
+CMD ["python3", "app.py"]
\ No newline at end of file